Home / 611,835.57-844,356.78-418,648.24

Finding the Fourth Proportional to 611,835.57, 844,356.78 and 418,648.24

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Solution

The fourth proportional to 611,835.57, 844,356.78 and 418,648.24 is: 577,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,835.57 : 844,356.78 = 418,648.24 : x
  2. Step 2: Convert to fraction form
    611,835.57/844,356.78 = 418,648.24/x
  3. Step 3: Cross multiply
    611,835.57x = 844,356.78 × 418,648.24
  4. Step 4: Simplify right side
    611,835.57x = 353,488,477,768.18
  5. Step 5: Solve for x
    x = 353,488,477,768.18/611,835.57
  6. Step 6: Final answer
    x = 577,750.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.